Finding the Fourth Proportional to 6,948,964.80, 10,418,587.20 and 4,107,614.40
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Solution
The fourth proportional to 6,948,964.80, 10,418,587.20 and 4,107,614.40 is: 6,158,548.80
Step by Step Solution
- Step 1: Write the proportion equation
6,948,964.80 : 10,418,587.20 = 4,107,614.40 : x - Step 2: Convert to fraction form
6,948,964.80/10,418,587.20 = 4,107,614.40/x - Step 3: Cross multiply
6,948,964.80x = 10,418,587.20 × 4,107,614.40 - Step 4: Simplify right side
6,948,964.80x = 42,795,538,810,375.68 - Step 5: Solve for x
x = 42,795,538,810,375.68/6,948,964.80 - Step 6: Final answer
x = 6,158,548.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.